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Bulgarian Academic Journal

BBC Nature

CNN Nature

CNN travelguide

Discovery Channel online

Extreme Science
The Ultimate Online Science Experience

GRB Entertainment
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INTERNATIONAL DIGITAL ELECTRONIC ACCESS LIBRARY
Free sample issues and abstracts

Madjarovo, Eastern Rhodope Mts.
A site for nature and natural-history film making

Международни научни публикации
International Research Journal

International Journal of Agriculture and Biology

Natural Perspective
(Perspective Periodicals)

National Geographic Society

Nature
International weekly journal of science

NOVA
списание за биотехнологии
journal of biotechnology

Science Magazine online

Tetra Press - Books for the care of aquariums, ponds and terrariums

The WWW Journal of Biology